Document gRpXQk8m3bMm8yBeG32Rb95J

-2- Page 7 Airborne lead in Strip Finishing was not above the safe limit. However, in comparison, 0.1 milligrams may be considered relatively high with the exposure in other areas. Close surveillance on the Torit collector exhaust, automatic champer No.2 and back grinder No.3 is required because additional airborne lead may result in unsafe concentrations. Primarily, this is a problem of ventihtion and will be covered in a separate section. Hygienic Standard; The threshold limit for airborne lead has been established as 0.2 milligrams per cubic meter. Application of controls for atmospheric contamination will control the exposure associated with the use of lead. LIBERTY MUTUAL INSURANCE COMPANY SPNY 000376